extern struct MyFunction2_return MyFunction2(int arg1, int arg2, GoString arg3);

found in the _cgo_export.h generated header, after any preambles
copied from the cgo input files. Functions with multiple
return values are mapped to functions returning a struct.

Not all Go types can be mapped to C types in a useful way.
Go struct types are not supported; use a C struct type.

	for i := p.inputPos; i < len(p.input); i++ {
		if p.input[i].ScanToken == token {
			return true
		}
	}
	return false
}

// at reports whether the next tokens are as requested.
func (p *Parser) at(next ...lex.ScanToken) bool {
	if len(p.input)-p.inputPos < len(next) {
		return false
	}
	for i, r := range next {
		if p.input[p.inputPos+i].ScanToken != r {
			return false

				t.Fatalf("Error mismatch\n\tGot:  %v\n\tWant: %v", err, ErrFormat)
			}
		})
	}
}

func TestIssue54801(t *testing.T) {
	for _, input := range []string{"testdata/readme.zip", "testdata/dd.zip"} {
		z, err := OpenReader(input)
		if err != nil {
			t.Fatal(err)
		}
		defer z.Close()

		for _, f := range z.File {
			// Make file a directory
			f.Name += "/"

			dst = append(dst, sparseEntry{Offset: pos, Length: end - pos})
		}
	}
	return dst
}

// invertSparseEntries converts a sparse map from one form to the other.
// If the input is sparseHoles, then it will output sparseDatas and vice-versa.
// The input must have been already validated.
//
// This function mutates src and returns a normalized map where:
//   - adjacent fragments are coalesced together

"\U00110000"         // illegal: invalid Unicode code point
</pre>

<p>
These examples all represent the same string:
</p>

<pre>
"日本語"                                 // UTF-8 input text
`日本語`                                 // UTF-8 input text as a raw literal
"\u65e5\u672c\u8a9e"                    // the explicit Unicode code points
"\U000065e5\U0000672c\U00008a9e"        // the explicit Unicode code points

		n += wasSpace & ^isSpace
		wasSpace = isSpace
	}

	if setBits >= utf8.RuneSelf {
		// Some runes in the input slice are not ASCII.
		return FieldsFunc(s, unicode.IsSpace)
	}

	// ASCII fast path
	a := make([][]byte, n)
	na := 0
	fieldStart := 0
	i := 0
	// Skip spaces in the front of the input.
	for i < len(s) && asciiSpace[s[i]] != 0 {
		i++
	}
	fieldStart = i
	for i < len(s) {

		if err := tw.Close(); err == nil {
			t.Errorf("Close() = %v, want non-nil error", err)
		}
	})
}

func TestSplitUSTARPath(t *testing.T) {
	sr := strings.Repeat

	vectors := []struct {
		input  string // Input path
		prefix string // Expected output prefix
		suffix string // Expected output suffix
		ok     bool   // Split success?
	}{
		{"", "", "", false},
		{"abc", "", "", false},
		{"用戶名", "", "", false},

"\U00110000"         // illegal: invalid Unicode code point
</pre>

<p>
These examples all represent the same string:
</p>

<pre>
"日本語"                                 // UTF-8 input text
`日本語`                                 // UTF-8 input text as a raw literal
"\u65e5\u672c\u8a9e"                    // the explicit Unicode code points
"\U000065e5\U0000672c\U00008a9e"        // the explicit Unicode code points

			prog.To = a[2]
		case sys.AMD64:
			prog.From = a[0]
			prog.AddRestSource(a[1])
			prog.To = a[2]
		case sys.ARM64:
			switch {
			case arch.IsARM64STLXR(op):
				// ARM64 instructions with one input and two outputs.
				prog.From = a[0]
				prog.To = a[1]
				if a[2].Type != obj.TYPE_REG {
					p.errorf("invalid addressing modes for third operand to %s instruction, must be register", op)
					return
				}

			t.Errorf("i=%d: Sys didn't return original *Header", i)
		}
	}
}

func TestHeaderAllowedFormats(t *testing.T) {
	vectors := []struct {
		header  *Header           // Input header
		paxHdrs map[string]string // Expected PAX headers that may be needed
		formats Format            // Expected formats that can encode the header
	}{{
		header:  &Header{},